I have put my question in this forum because I don't know where else to put it even though I know it is not actually a problem with my monitor or video card.I have an unusual and annoying graphics display problem and I seem to be the only person on this planet with this problem.I had my PC rebuilt six months ago by a cheap fly by nighter. Cheap!!!??? It still cost me over $700.00 to repair it and then the guy disappeared and I couldn't get the problem solved. Maybe one of you guys may have a clue. I make a lot of videos and make a lot of 3D animations. Mostly I am using Premiere Pro CS3 for the videos and Cool 3D Production Studio for the animations. The problem I will try to describe occurs with all my programs it is just more obvious and annoying with the ones I mentioned. When a window is open it may go all wavy for a second. This is intermittent and only occurs with Premiere Pro. With all the other programs, if I open a window on top of another the display from the one underneath peeps through and at times I can not see what I am doing and cannot click on buttons because they are under a graphic that is poking through. I have had a few technical friends look at the PC but no one can solve the problem. I am about to buy a completely new PC, even though I just bought this one, as it is driving me mad. I would love to know what could cause this problem anyway. I have attached a couple of screenshots which show the garbled screen. I cannot show the wavy screen unless I capture with camtasia, which I will do if it will help. My Computer Specs are :- Windows Home XP with SP2 and all updates; Intel(R) Core(TM) 2CPU 6300@ 1.86GHz. Without going in to too much more detail I have had the motherboard replaced with a different model and the same with the VGA card. My computer behaves exactly the same on other monitors. Attached are two screenshots from Cool 3D.I think you can see what I mean. Anyone got any ideas?